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Finding the Third Proportional to 6,878,172 and 14,575,632

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Solution

The third proportional to 6,878,172 and 14,575,632 is: 30,887,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878,172 : 14,575,632 = 14,575,632 : x
  2. Step 2: Convert to fraction form
    6,878,172/14,575,632 = 14,575,632/x
  3. Step 3: Cross multiply
    6,878,172x = 14,575,632 × 14,575,632
  4. Step 4: Simplify right side
    6,878,172x = 212,449,048,199,424
  5. Step 5: Solve for x
    x = 212,449,048,199,424/6,878,172
  6. Step 6: Final answer
    x = 30,887,428.84

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.